Explaining the mutual relationships between terotechnology and the theory of exploitation, this book presents the fundamentals of the theory and its role in relation to mining engineering where mine machines and machinery systems are concerned. The book also examines statistical diagnostics, exploitation processes of machines, reliability and reliability models, the methods of modeling, and analysis of the processes of changes of states. The book is of particular interest to students, academics, and lecturers of mining faculties and schools of mining.